CONFUSED SINATRA APP with Multiple Restarts

CONFUSED SINATRA APP

Basic code is this: [http://gist.github.com/57920] with the following at the top
of the file:

# set the root of the whole app
APP_ROOT = File.expand_path(File.dirname(__FILE__)) unless defined?(APP_ROOT)
# running on Edge?, if so grab that version
$LOAD_PATH.unshift "#{APP_ROOT}/vendor/sinatra/lib" if test(?d, "#{APP_ROOT}/vendor/sinatra")

require 'rubygems'
.....

... and as the last line of file

MyApp.run!


=============================================

IN THE CLI... (OS X Terminal)

## start app

$ ruby myapp.rb
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel


## output after loading  http://localhost:4567/about 

./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /about/ HTTP/1.1" 200 2321 0.0042
./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /favicon.ico HTTP/1.1" 404 420 0.0222
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /js/jquery.js HTTP/1.1" 200 31033 0.1562
./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /images/sinatra-logo.gif HTTP/1.1" 200 5337 0.0042
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /stylesheets/screen.css HTTP/1.1" 200 15919 0.2258
./myapp.rb:23: warning: already initialized constant Settings
./myapp.rb:24: warning: already initialized constant Page
== Sinatra/0.9.0.4 has taken the stage on 4567 for development with backup from Mongrel
== Someone is already performing on port 4567!
127.0.0.1 - - [04/Feb/2009 14:19:36] "GET /stylesheets/images/grid.png HTTP/1.1" 404 436 0.0006

helpers.rb

## filepath: lib/helpers.rb

module Sinatra
  
  # a basic convenience method for outputting the Sinatra version text on page
  # Usage:
  # <b>Usage:</b>
  #    >> Sinatra.version
  #      => "Sinatra vX.XX"
  # 
  def self.version; "Sinatra v#{self::VERSION}"; end;
  
  
  # Application wide helpers
  # 
  # 
  # 
  module Helpers
    
    
    # Add your own helpers here
    
    
    
    ##
    ## Pre-defined helpers
    ##
    
    # 
    def host
      request.host
    end
    
    # 
    def path_info
      request.path_info
    end
    
    def path_info_to_form_id
      request.path_info.sub(/^\//,'').gsub(/[^A-Za-z0-9_-]/,'').to_s
    end
    # 
    def path_controller_name
      pi = request.path_info
      (pi == '/') ? 'home' : pi.split('/')[1].gsub(/[^A-Za-z0-9_-]/,'').to_s
    end
    
    # 
    def path_action_name
      request.path_info.split('/')[2].gsub(/[^A-Za-z0-9_-]/,'').to_s rescue nil
    end
    
    # 
    def page_body(format=:erb, options={})
      prefix = options.delete(:prefix)
      id = prefix.nil? ? path_controller_name : "#{prefix}_#{path_controller_name}"
      c = path_action_name.nil? ? nil : path_action_name
      if format == :haml
        { :id => id, :class => c }
      else
        out = "<body"
        out += %{ id="#{id}"} unless id.nil?
        out += %{ class="#{c}"} unless c.nil?
        out += ">"
      end
    end
    
    # 
    def page_header
      erb :'shared/header', :layout => false
    end
    
    # 
    def page_nav_bar
      erb :'shared/navbar', :layout => false
    end
    
    # 
    def page_footer
      erb :'shared/footer', :layout => false
    end
    
    
    # 
    # __METHOD_DESC__
    # 
    # <b>Usage:</b>
    #    >> 
    #      =>
    #
    def page_debug(options={})
      options = {:env => :development, :enabled => true }.merge(options)
      if Sinatra::Base.environment == options[:env] && options[:enabled]
        erb :'shared/debug', :layout => false
      end
    end
    
    ## Next two methods based on the Rails YearAfterYear plugin by Robby Russell, MIT license.
    
    # Renders the current year: ie: 2008
    # <b>Usage:</b>
    #    >> current_year
    #      =>  2008
    #
    def current_year
      Time.now.strftime('%Y')
    end
    
    # Returns the range of years 
    # 
    # <b>Usage:</b>
    #    >> year_range
    #      => 2008 (current year)
    #
    #    >> year_range(current_year)
    #      => 2008 (current year)
    #
    #    >> year_range(2005)
    #      => 2005-2008 (current year)
    #
    def year_range(start_year=nil)
      if start_year.nil?
        current_year
      elsif start_year.to_s == current_year
        current_year
      else
        start_year.to_s + '-' + current_year
      end
    end
    
  end #/module Helpers
  
  
  # class EventContext
  #   include Helpers
  # end
  
end #/module Sinatra

models.rb

## filepath:  app/models/models.rb
%w(dm-core dm-serializer dm-validations dm-timestamps).each { |lib| require lib }


class Post
  include DataMapper::Resource
  include DataMapper::Serialize

  property :id, Serial, :key => true
  property :post_category_id, Integer
  property :title, String
  property :subheading, String
  property :body, Text
  # when was this record created/updated
  property :created_at,           DateTime
  property :updated_at,           DateTime
    
  belongs_to :post_category
  has n, :comments
end

class Comment
  include DataMapper::Resource
  include DataMapper::Serialize

  property :id, Serial, :key => true
  property :post_id, Integer
  property :body, Text
  
  # when was this record created/updated
  property :created_at,           DateTime
  property :updated_at,           DateTime
  
  belongs_to :post
  
  
end

class PostCategory
  include DataMapper::Resource
  property :id,         Integer, :serial => true
  property :name,       String
  
  # when was this record created/updated
  property :created_at,           DateTime
  property :updated_at,           DateTime
  
  has n, :posts
  
  
end

myapp.rb

## filepath: myapp.rb

# set the root of the whole app
APP_ROOT = File.expand_path(File.dirname(__FILE__)) unless defined?(APP_ROOT)
# # running on Edge?, if so grab that version
# $LOAD_PATH.unshift "#{APP_ROOT}/vendor/sinatra/lib" if test(?d, "#{APP_ROOT}/vendor/sinatra")

require 'rubygems'
%w(sinatra/base compass ostruct ).each {|g| require g }
 
class MyApp < Sinatra::Default
  enable :static, :logging
 
  set :app_file, __FILE__
  set :public,  "#{root}/public"
  set :views,  "#{root}/app/views"
 
  set :haml, :format => :html4, :attr_wrapper => '"'
  set :sass, :style => :compact
  
  load "#{root}/app/models/models.rb"
  load "#{root}/lib/helpers.rb"
 
  ## Import the Site Configs
  ::Settings = ::OpenStruct.new(YAML.load_file("#{root}/config/settings.yml")) unless defined?(::Settings) 
  ::Page = ::OpenStruct.new(:title => "Undefined") unless defined?(::Page)
 
  configure do
    ::DataMapper.setup(:default, "sqlite3:db/#{environment}.sqlite3")
    ::DataMapper.auto_upgrade!  
    ::DataMapper.logger.set_log('log/dm.log', :debug)  
  end
  
  enable :reload, :run if development?
 
  # helpers
  alias_method :h, :escape_html
 
  get '/' do 
    @title = 'HOME'
    @posts = Post.all
    erb :index
    # erb :index, :layout => :application
  end
 
  get '/about/?' do 
    erb :about
  end
 
  get '/sinatra' do
    out = "Powered by Sinatra v#{Sinatra::VERSION} running in '#{Sinatra::Base.environment}' mode.\n"
    erb( out )
  end
 
  get "/stylesheets/*.css", :layout => false do
    content_type 'text/css', :charset => 'utf-8'
  
    # Use views/stylesheets & blueprint's stylesheet dirs in the Sass load path
    sass "stylesheets/#{params[:splat]}".to_sym, { 
      :sass => { 
        :style => :compact, 
        :load_paths => (
          [ File.join(APP_ROOT, 'app', 'views', 'stylesheets') ] + Compass::Frameworks::ALL.map { |f| f.stylesheets_directory }
        )
      } 
    }
  end
 
end

MyApp.run!

settings.yml

## filepath: config/settings.yml
### SinatraApp Settings

site_title: 'Default Site Title'
client_name: 'Client Name Ltd.'
header_h1: 'Client Name'
meta_description: "Edit this text to make a meta description."
meta_keywords: "add, your, website, keywords, here, as, a, comma, delimited, string"

## GENERAL INFORMATION::


# DEV CREDIT
dev_name: "kematzy"
dev_url: "kematzy.com"

sinatra_ext.rb

## filepath: lib/sinatra.rb

module Sinatra
  
  
  
  # ripped from cschneid [http://github.com/cschneid/irclogger/blob/master/lib/partials.rb]
  
  module Partials
    
    # 
    # 
    def partial(template, *args)
      options = args.extract_options!
      options.merge!(:layout => false)
      if collection = options.delete(:collection) then
        collection.inject([]) do |buffer, member|
          buffer << erb(template, options.merge(:layout =>false, :locals => {template.to_sym => member}))
        end.join("\n")
      else
        erb(template, options)
      end
    end #/partial
    
    
  end #/module Partials
  
  
end #/module Sinatra

views

## All the files in the views dir

## filepath:  app/views/layout.erb

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
  <head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
    <meta name="Content-Language" content="en-us">
    <title><%= ::Page.title %> &raquo; <%= Settings.site_title %></title>
    
    <meta name="author" content="<%= Settings.dev_name %>">
    <meta name="description" content="<%= Settings.meta_description %>">
    <meta name="keywords" content="<%= Settings.meta_keywords %>">
    <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
    <meta name="Copyright" content="(c) <%#= year_range %> Copyright content: <%= Settings.client_name %>; Copyright design: <%= Settings.dev_url %>">
    <!-- (c) <%= year_range %> Copyright content: <%= Settings.client_name %>; Copyright design: <%= Settings.dev_url %> All Rights Reserved. -->
    <%#= page_cached_timestamp %>
    
    <link rel="stylesheet" href="/stylesheets/screen.css" type="text/css" media="screen" charset="utf-8">
    <script src="/js/jquery.js" type="text/javascript" charset="utf-8"></script>
    
  </head>
  
  <%= page_body(:erb) %>
    
    <!-- div.container -->
    <div class="container showgrid">
      
      <%= page_header %>
      
      <%= page_nav_bar %>
      
      <%#= page_msg_bar %>
      
      <%= yield %>
      
      <%= page_footer %>
      
    </div>
    <!-- /div.container -->
    
    <p id="credit">
      <a href="http://<%= Settings.dev_url %>/" title="designed and developed by <%= Settings.dev_url %>" rel="external" onclick="this.target='_blank'">developed by <strong><%= Settings.dev_name %></strong></a>
      <br>
      powered by <a href="http://sinatrarb.com/" rel="external" title="learn more about this fantastic framework [opens in new window]"><%= Sinatra.version %></a>
    </p>
    
    <%= page_debug(:enabled => false) %>
    
  </body>
</html>


============

## filepath: app/views/index.erb

<% ::Page.title = "HOME" %>

<h2><%= ::Page.title %></h2>

<p>This is the HOME page</p>

============

## filepath: app/views/about.erb

<% ::Page.title = "About" %>

<h2><%= ::Page.title %></h2>

<p>This is the about page</p>


============

## filepath: app/views/stylesheets/screen.sass

/* SITE SPECIFIC STUFF

body
  :margin 2em auto
  :background-color #C9D5DD
  :font-family "Lucida Grande","Lucida Sans Unicode", Helvetica, Arial, Verdana, sans-serif
  :font-size 70%

.container 
  :width 960px
  :background #fff
  :border-top 1px solid #aaa
  :border-right 1px solid #aaa
  :border-bottom 2px solid #999
  :border-left 1px solid #aaa 

#header
  :float left
  :width 400px
  :padding-right 280px
  :padding-left 280px
  :margin-right 0
  :text-align center
  img#logo
    :margin 1em 0 0.8em 0
  h1 
    :display none

#footer
  :border-top 1px solid #dedede
  :background-color #fefefe
  :margin 2em 0 0 0
  :padding 0
  p 
    :padding 1em 0 0 40px

#main-content
  :float left
  :width 960px
  :margin-top 4em
  :margin-right 0px
  :padding-left 40px
  :padding-right 40px

#nav p 
  :text-align center
  a
    :text-decoration none
    :color #879BBF
  a:hover
    :color #637491
    :border-bottom 2px solid #ccc

/* /END SITE SPECIFIC STUFF